Slides in this set

Slide 1

Slide 2

Definitions:ANABOLIC- Joining of small moleculesCATABOLIC- Breaking largermolecules in to smaller ones PROTEINS/AMINO ACIDS…read more

Slide 3

PRIMARY STRUCTURE= The sequence of amino acids out of a possible 20 combinations. >A polypeptide chain containing 20 amino acids linked in any order and in any proportion Has an infinite number of possible structures. >Change of one amino acid will change whole chain's properties/role.…read more

Slide 4

SECONDARY STRUCTURE= The coiling or folding of polypeptide chains in to: Beta Pleated Sheet (if folded) Alpha helix (if coiled) Held by H+ bonds. Bonds are Dipole. Require high temp or PH change to break…read more

Slide 5

TERTIARY STRUCTURE=Where an amino acid recoils in to a precise shape >Held by H+ bonds which lay between amino acids and are close together Stabalised by: Ionic Bonds -Electrons donated and accepted Disulphide Bridges Between cysteine molecules Hydrophobic interations With R groups…read more

Slide 6

QUATERNARY STRUCTURE =Final structure where 2 or more tertiary proteins are held together *Not in all proteins >Can include non-amino acid parts >Will only form if all subunits present(eg- haem in haemoglobin and nucleotide in DNA)>Stabilised by the bonds in tertiary stucture…read more